한국기계가공학회지 (Journal of the Korean Society of Manufacturing Process Engineers)

  • 제16권4호
  • /
  • Pages.89-96
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  • 2017
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  • 1598-6721(pISSN)
  • /
  • 2288-0771(eISSN)
한국기계가공학회 (The Korean Society of Manufacturing Process Engineers)
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케이블 트레이 설계시스템 개발

Development of a Design System for a Cable Tray

  • 최두순 (한국교통대학교 기계자동차항공공학부) ;
  • 최우석 (한국교통대학교 기계자동차항공공학부)
  • Choi, Du-Soon (School of Mechanical, Automotive and Aeronautical Engineering, Korea National University of Transportation) ;
  • Choi, WooSeok (School of Mechanical, Automotive and Aeronautical Engineering, Korea National University of Transportation)
  • 투고 : 2017.07.06
  • 심사 : 2017.07.20
  • 발행 : 2017.08.31
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초록

A cable tray is a structure made of metal or a non-combustible material that supports cables in the electrical wiring of buildings. Cable trays should be developed to meet the various requirements of the construction site. In this study, a design system was developed to calculate the maximum support load and the maximum deflection according to the cross-sectional shape of the cable tray. The cross-sections of cable trays were modeled by combining linear and arc elements, and cross-sectional characteristics such as the 2nd moment of area were calculated. The distributed load and the concentrated load were applied to the cable tray using the Euler beam theory, and then the deflection profiles and maximum stress were calculated. To verify the developed system, deflection distributions and maximum stresses for two types of cable trays were calculated and compared. The maximum deflection and maximum stress errors calculated from the developed system were found to be less than 4% compared with numerical analysis results.

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참고문헌

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